0 an alpha-hydroxy acid (= a type of organic acid) that is used in some products intended to make the skin healthy and attractive:
Alpha hydroxy acids or AHAs are often labelled as lactic, malic or glycolic acid.
Some researchers believe glycolic acid also helps promote new collagen formation.
If you have acne-prone skin, wash your face morning and night with a mild cleanser that contains benzoyl peroxide or salicyclic and glycolic acids.
Avoid harsh anti-acne cleansers with glycolic acid or benzoyl peroxide, advises a top dermatologist.
